1260881640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{389161}}^1$

素因数の和:389184

約数の個数: 80

約数和(自身を含む): 4237974180

約数和(自身を除く): 2977092540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 389161, 778322, 1167483, 1556644, 1945805, 2334966, 3113288, 3502449, 3891610, 4669932, 5837415, 7004898, 7783220, 9339864, 10507347, 11674830, 14009796, 15566440, 17512245, 21014694, 23349660, 28019592, 31522041, 35024490, 42029388, 46699320, 52536735, 63044082, 70048980, 84058776, 105073470, 126088164, 140097960, 157610205, 210146940, 252176328, 315220410, 420293880, 630440820, 1260881640]

約数ペア:

[(1, 1260881640), (2, 630440820), (3, 420293880), (4, 315220410), (5, 252176328), (6, 210146940), (8, 157610205), (9, 140097960), (10, 126088164), (12, 105073470), (15, 84058776), (18, 70048980), (20, 63044082), (24, 52536735), (27, 46699320), (30, 42029388), (36, 35024490), (40, 31522041), (45, 28019592), (54, 23349660), (60, 21014694), (72, 17512245), (81, 15566440), (90, 14009796), (108, 11674830), (120, 10507347), (135, 9339864), (162, 7783220), (180, 7004898), (216, 5837415), (270, 4669932), (324, 3891610), (360, 3502449), (405, 3113288), (540, 2334966), (648, 1945805), (810, 1556644), (1080, 1167483), (1620, 778322), (3240, 389161)]